EP0099973B1 - Streckwerk für eine Spinnmaschine - Google Patents

Streckwerk für eine Spinnmaschine Download PDF

Info

Publication number
EP0099973B1
EP0099973B1 EP83105255A EP83105255A EP0099973B1 EP 0099973 B1 EP0099973 B1 EP 0099973B1 EP 83105255 A EP83105255 A EP 83105255A EP 83105255 A EP83105255 A EP 83105255A EP 0099973 B1 EP0099973 B1 EP 0099973B1
Authority
EP
European Patent Office
Prior art keywords
apron
roll
roller
rollers
guide
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
EP83105255A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0099973A1 (de
Inventor
Arthur Würmli
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Maschinenfabrik Rieter AG
Original Assignee
Maschinenfabrik Rieter AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Maschinenfabrik Rieter AG filed Critical Maschinenfabrik Rieter AG
Publication of EP0099973A1 publication Critical patent/EP0099973A1/de
Application granted granted Critical
Publication of EP0099973B1 publication Critical patent/EP0099973B1/de
Expired legal-status Critical Current

Links

Images

Classifications

    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01H—SPINNING OR TWISTING
    • D01H5/00—Drafting machines or arrangements ; Threading of roving into drafting machine
    • D01H5/18—Drafting machines or arrangements without fallers or like pinned bars
    • D01H5/60—Arrangements maintaining drafting elements free of fibre accumulations
    • D01H5/64—Rollers or aprons with cleaning surfaces

Definitions

  • the present invention relates to a drafting system for a spinning machine with a forward and a main drafting zone, with an inlet roller pair comprising an upper and a lower roller, with an outlet roller pair comprising an upper and a lower roller and with an upper and a driven by an apron roller pair a lower apron, wherein the pre-draft zone extends between the pair of infeed rollers and the nip line formed by the apron rollers pressed against the top and bottom apron rollers, and the main draft zone extends between this nip line and the pair of outlet rollers, and wherein the bottom apron extends under the draft zone and the lower infeed roller .
  • the invention is particularly concerned with the cleaning of such drafting systems.
  • a cleaning device is already known from DE-A-2 217 314, in which a cleaning and stopping effect takes place by means of cleaning straps provided specifically for cleaning, by friction and movement thereof on the faster rotating rollers and the top straps.
  • DE-C-908 590 also discloses an apron drafting system in which the lower apron extends to below the pair of inlet cylinders. There is no contact of the lower apron with the lower of these cylinders.
  • cleaning of the lower apron and the lower inlet cylinder is to be obtained. It is characterized in that in the operation of the drafting system one strand of the lower apron is in grazing contact with this lower inlet roller, and that the other strand of the lower apron sags loosely.
  • the lower inlet cylinder and the lower apron are cleaned by wiping off their surfaces, it not being necessary to provide any cleaning means.
  • the drafting system is therefore extremely simple. Continuous cleaning of the roller significantly reduces the risk of winding formation. Adhesion of fibers is prevented at an early stage. Because the top and bottom straps are used to guide the fibers during the drafting process in the main drafting zone, and because the straps are guided over deflection points during operation, it is inherently necessary to produce the straps from a material that is resistant to friction. Insofar as there is only slight contact of the lower apron with the lower infeed roller, the service life of the apron is practically hardly changed by the cleaning arrangement.
  • a surprising result is a significant simplification of threading, because the beginning of the sliver, which is moved through by the pair of inlet rollers, no longer has to be guided by hand to the point of entry of the clamping area formed by the straps.
  • the fuse comes to rest on the lower strap by itself, is thus carried along by it and reaches the area of mutual contact of the moving straps in order to be transported further. Since the fibers produced during cleaning come to rest on the lower apron, there is a further advantage of the invention in that the stripped fibers are reinserted into the sliver to be drawn in the main drafting zone, i. H. there is a recycling of the fibers resulting from the cleaning.
  • the invention will now be explained in more detail using exemplary embodiments and the figure of the drawing.
  • the latter shows a pair of inlet rollers formed by an upper and a lower inlet roller 11 and 12, respectively, through which the sliver 13 and the incoming roving entering through the condenser 28 are detected on the inlet side of the drafting system and transported from right to left as shown in the figure.
  • an upper and lower apron roller 14 and 15 forming a pair of rollers are provided.
  • This pair of rollers is used to drive the upper apron 16 and the lower apron 17.
  • the apron 16 is guided around a deflection point 18.
  • a bridge 19 and a deflection rail 20 are provided for guiding the apron 17.
  • Following the two straps 16, 17 there is a pair of outlet rollers formed by an upper and a lower outlet roller 23 and 24, respectively.
  • An apron guide 21 is attached to a bearing saddle 22.
  • the latter is primarily used to support the apron lower roller 15. It can be adjusted in the direction perpendicular to the axis of rotation of the roller 15. This setting is used to remove the entry point for the sliver fibers formed by the converging straps 16, 17 from the outlet rollers 23, 24, i. H. to adjust the length of the main draft zone of the different types of such fibers.
  • the bearing saddle 22 and the further bearing saddle 25 for the inlet roller 12 are carried by a carrier 26.
  • the location of maximum pressure formed by the rollers 14 and 15 pressed against each other is located between the straps 16, 17 along a line parallel to the axes of rotation of the rollers 14, 15, the so-called clamping line 27.
  • the area between the inlet roller pair 11, 12 and the clamping line 27 is the default zone.
  • the area between the clamping line 27 and the outlet roller pair 23, 24 is the main draft zone.
  • the rollers 11, 12, 14, 15 and 23, 24 rotate in the direction of rotation indicated by the arrows.
  • the peripheral speed of the inlet rollers 11, 12 and Strap rollers 14, 15 are relatively small, and that of the feed rollers 11, 12 is still somewhat smaller than that of the strap rollers 14, 15 and thus also the speed of the straps 16, 17.
  • the peripheral speed of the rollers 23, 24 is, however, much greater than that of the rollers 14, 15, so that the actual warping of the fuse takes place in the main drafting region.
  • the rollers 11, 12 and 14, 15 and the deflection rail 20 are arranged in such a way that the lower apron 17 is in contact with the lower infeed roller 12 during operation of the drafting system, i. H. grazes on the roller 12. It can be seen that at the point of contact the surface of the roller 12 and the strap 17 move in opposite directions. Fibers adhering to the roller 12 are stripped from the straps 17 and remain on the latter, i. H. they are taken away by it. They then return to the fiber sliver 12, with which they are mixed during their further processing.
  • a second embodiment of the invention is shown in the figure. According to this, a corresponding mutual arrangement of the bridge 19 and the outlet roller 24 additionally contacts the lower apron 17 with the lower outlet roller 24. In this case too, the surface of the roller 24 moves in the opposite direction to the movement of the apron 17. In this way, cleaning of the lower outlet roller 24 is also achieved.
  • the downwardly extending part of the bridge 19 is provided with a corresponding extension 29, as is indicated by dashed lines.
  • the desired strength of the contact with the roller 24 can be chosen as desired.
  • an apron guide 21 is provided for guiding the apron 17 laterally.
  • the use of a loose strap 17 causes less friction and thus an increase in the life of the same.
  • the strap guide 21 prevents the loose strap from migrating and thus ensures that the drafting system functions properly.
  • a very precise guidance for the straps 17 is obtained if the guidance is as close as possible to the entry point to the clamping area of the straps 16, 17.
  • Darpit is a further advantageous embodiment of the invention when there is a loose bottom strap 17 in that the strap guide 21 is attached to the bearing saddle 22.
  • the guide 21 is also moved during the horizontal adjustment of the rollers 14, 15 to different types of fibers, in particular fiber lengths, by displacing the bearing plate 22. A once optimal distance of the roller 14, 15 from the apron guide 21 is thus always maintained when adapting to different types of fibers.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Textile Engineering (AREA)
  • Spinning Or Twisting Of Yarns (AREA)
EP83105255A 1982-07-23 1983-05-27 Streckwerk für eine Spinnmaschine Expired EP0099973B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH4503/82 1982-07-23
CH450382 1982-07-23

Publications (2)

Publication Number Publication Date
EP0099973A1 EP0099973A1 (de) 1984-02-08
EP0099973B1 true EP0099973B1 (de) 1985-09-11

Family

ID=4277317

Family Applications (1)

Application Number Title Priority Date Filing Date
EP83105255A Expired EP0099973B1 (de) 1982-07-23 1983-05-27 Streckwerk für eine Spinnmaschine

Country Status (5)

Country Link
US (1) US4509230A (enrdf_load_stackoverflow)
EP (1) EP0099973B1 (enrdf_load_stackoverflow)
JP (1) JPS5921727A (enrdf_load_stackoverflow)
DE (1) DE3360782D1 (enrdf_load_stackoverflow)
IN (1) IN159551B (enrdf_load_stackoverflow)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3836936C2 (de) * 1988-10-31 1998-05-20 Mitsuboshi Belting Ltd Kraftübertragungsriemen
US6506314B1 (en) * 2000-07-27 2003-01-14 Atotech Deutschland Gmbh Adhesion of polymeric materials to metal surfaces
DE10348452B4 (de) * 2003-10-17 2008-07-03 Deutsche Institute für Textil- und Faserforschung Stuttgart Streckwerk mit von Riemchen umschlungenen Zwillings-Ausgangsoberwalzen
JP2011127238A (ja) * 2009-12-16 2011-06-30 Murata Machinery Ltd ドラフト装置及びローラユニット
JP2013067871A (ja) * 2011-09-20 2013-04-18 Murata Mach Ltd ドラフト装置及び紡績機
CN107475827B (zh) * 2017-07-31 2019-07-12 东华大学 一种机械式集聚纺纱方法
CN113388934B (zh) * 2021-06-03 2022-04-29 东台市润生纺机专件有限公司 一种双包芯纱用高精度罗拉

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE316847C (enrdf_load_stackoverflow) *
FR800558A (enrdf_load_stackoverflow) * 1935-09-04 1900-01-01
DE908590C (de) * 1942-04-12 1954-04-08 Hermann Kluftinger Dipl Ing Riemchen-Streckwerk
US2593478A (en) * 1944-09-28 1952-04-22 Dan River Mills Inc Drawing frame assembly
US2382214A (en) * 1944-10-14 1945-08-14 Whitin Machine Works Clearer for roving or spinning frames
DE918077C (de) * 1951-10-03 1954-09-16 Zinser Textilmaschinen Gmbh Hochverzug-Streckwerk, insbesondere fuer Abfallgarne
US2774995A (en) * 1951-10-26 1956-12-25 Warner Swasey Co High reduction fiber drafting
US3310845A (en) * 1964-07-17 1967-03-28 Deering Milliken Res Corp Textile drafting arrangement
DE2217314A1 (de) * 1972-04-11 1973-10-25 Bernhard Gort Putzvorrichtung fuer die walzen und/ oder zylinder von streckwerken bei spinnereimaschinen

Also Published As

Publication number Publication date
JPH0340128B2 (enrdf_load_stackoverflow) 1991-06-18
IN159551B (enrdf_load_stackoverflow) 1987-05-23
EP0099973A1 (de) 1984-02-08
DE3360782D1 (en) 1985-10-17
US4509230A (en) 1985-04-09
JPS5921727A (ja) 1984-02-03

Similar Documents

Publication Publication Date Title
DE1088196B (de) Vorrichtung zum Schlichten von kontinuierlichen Glasfaeden
DE4344319C2 (de) Doppelriemchenstreckwerk
EP0099973B1 (de) Streckwerk für eine Spinnmaschine
DE3404291A1 (de) Spinnmaschinenstreckwerk
EP3730681A1 (de) Riemchenstreckwerk
EP0107828B1 (de) Streckwerk für Spinnmaschinen
EP2547812B1 (de) Streckwerk mit führungstisch für ein führungsriemchen
EP0679741A1 (de) Faserbandzuführeinrichtung
DE3327966A1 (de) Streckwerk fuer spinnereimaschinen
CH648874A5 (de) Vorrichtung zur herstellung von effektgarn.
WO2002042535A1 (de) Vorrichtung an einer spinnmaschine zum verdichten eines faserverbandes
DE19501163C1 (de) Streckwerk für Spinnmaschinen mit einer Leiteinrichtung zum Zuführen eines Kernfadens
DE19758759B4 (de) Riemchen für Doppelriemchen-Streckwerke für Spinnereimaschinen mit einer Faserbündelungszone
EP1975288B1 (de) Spinnmaschine
DE10154127A1 (de) Vorrichtung an einer Spinnmaschine zum Verdichten eines Faserverbandes
DE960072C (de) Unterriemchen-Streckwerk fuer Spinn- und Vorspinnmaschinen
DE3338834A1 (de) Oe-friktionsspinnmaschine
DE4230317C2 (de) Doppelriemchenstreckwerk für eine Spinnmaschine
DE3501842C2 (de) Faserbandauflöseaggregat für eine OE-Spinnmaschine
DE10329835B4 (de) Vorrichtung an einer Strecke mit einem Streckwerk zum Doublieren und Verziehen von Faserbändern mit einer Verstelleinrichtung
DE69024450T2 (de) Streckwerk für eine Spinnmaschine
DE19628164A1 (de) Verstellbarer Vliesführer
WO2013004428A1 (de) Walzenstreckvorrichtung für eine spinnereimaschine
EP0568665A1 (de) Streckwerk für eine feinspinnmaschine, insbesondere düsenspinnmaschine.
DE10329837B4 (de) Vorrichtung an einer Strecke mit einem Streckwerk zum Doublieren und Verziehen von Faserbändern mit einer Verstelleinrichtung

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

AK Designated contracting states

Designated state(s): CH DE FR GB IT LI

17P Request for examination filed

Effective date: 19840229

ITF It: translation for a ep patent filed
GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

AK Designated contracting states

Designated state(s): CH DE FR GB IT LI

REF Corresponds to:

Ref document number: 3360782

Country of ref document: DE

Date of ref document: 19851017

ET Fr: translation filed
PLBE No opposition filed within time limit

Free format text: ORIGINAL CODE: 0009261

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT

26N No opposition filed
PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: GB

Payment date: 19900417

Year of fee payment: 8

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: FR

Payment date: 19900419

Year of fee payment: 8

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: GB

Effective date: 19910527

GBPC Gb: european patent ceased through non-payment of renewal fee
PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: FR

Effective date: 19920131

REG Reference to a national code

Ref country code: FR

Ref legal event code: ST

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: DE

Payment date: 19930413

Year of fee payment: 11

Ref country code: CH

Payment date: 19930413

Year of fee payment: 11

ITTA It: last paid annual fee
PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: LI

Effective date: 19940531

Ref country code: CH

Effective date: 19940531

REG Reference to a national code

Ref country code: CH

Ref legal event code: PL

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: DE

Effective date: 19950201